SP9079
SAFETY FUNCTIONS AT POWER-UP NOT EXECUTED
Fanuc · αi Series Servo Amplifier
What does SP9079 mean?
The safety functions designed to run during power-up for the spindle were not executed. This indicates a critical issue during the spindle system's initialization sequence related to safety, which could prevent safe operation.
Repair Steps
- 1
Replace the SPM control printed-circuit board.
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier